diff --git a/README.md b/README.md
index 4481f93..c765604 100644
--- a/README.md
+++ b/README.md
@@ -22,4 +22,13 @@ access to Riot (or other apps) due to sharing the same domain.
 
 We have put some coarse mitigations into place to try to protect against this
 situation, but it's still not good practice to do it in the first place.  See
-https://github.com/vector-im/riot-web/issues/1977 for more details.
\ No newline at end of file
+https://github.com/vector-im/riot-web/issues/1977 for more details.
+
+Todo for official App
+======================
+
+- SSO auth see issue : https://github.com/vector-im/riot-web/issues/3830
+- Improve documentation
+
+
+